DL-306

The reviewer App’s config is a second ForgeConfig.ReviewerApp ForgeAppConfig block mirroring the existing App shape — flags --forge-reviewer-app-id/--forge-reviewer-app-installation-id, declared-secret name FORGE_REVIEWER_APP_PRIVATE_KEY (webhook-secret field unused) — never a per-role App-config map, which would sit beside the named-field convention as a second shape

Status: Active (Matt, 2026-08-31)